[jira] [Created] (LUCENE-5519) Make queueDepth enforcing optional in TopNSearcher

["Simon Willnauer (JIRA)" <ji...@apache.org>]

Simon Willnauer created LUCENE-5519:
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             Summary: Make queueDepth enforcing optional in TopNSearcher
                 Key: LUCENE-5519
                 URL: https://issues.apache.org/jira/browse/LUCENE-5519
             Project: Lucene - Core
          Issue Type: Improvement
          Components: core/FSTs
    Affects Versions: 4.7
            Reporter: Simon Willnauer
            Priority: Minor
             Fix For: 4.8, 5.0
         Attachments: LUCENE-5519.patch

currently TopNSearcher enforces the maxQueueSize based on rejectedCount + topN. I have a usecase where I just simply don't know the exact limit and I am ok with a top N that is not 100% exact. Yet, if I don't specify the right upper limit for the queue size I get an assertion error when I run tests but the only workaround it to make the queue unbounded which looks odd while it would possibly work just fine. I think it's fair to add an option that just doesn't enforce the limit and if it shoudl be enforced we throw a real exception.



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